NO OFFENCE TAKEN TOWER HOBBIES HAS THIS ENG. ON SALE NOW FOR 940.00 SAY WHAT YOU WANT O.S. IS BEST I HAVE BEN FLYING FOR 40 YEARS , YOU GET WHAT YOU PAY FOR !! SAITO ENG. ARE EXPENSIVE AND I LOVE THEM BUT THEY AREN'T CHEAP EITHER . MABY YOU SHOULD GO BUY A ASP 4 ST. THAT'S WHAT YOU WILL GET FOR WHAT YOU WANT TOO PAYFOR A TWIN!!! regards jim...... i don't need the money just trying too pas alon what i'm going too use!!